Error Handling

async function handleAPICall() {
  try {
    const response = await fetch('https://api.lumyx-ai.site/v1/chat/completions', {
      method: 'POST',
      headers: {
        'Authorization': 'Bearer nova_your_api_key_here',
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({
        model: 'nova_1_1',
        messages: [{ role: 'user', content: 'Hello!' }]
      })
    });

    if (!response.ok) {
      const errorData = await response.json();
      const error = errorData.error;
      
      switch (error.type) {
        case 'authentication_error':
          throw new Error('API key is invalid or missing');
        case 'rate_limit_exceeded':
          const retryAfter = response.headers.get('Retry-After');
          throw new Error(`Rate limited. Retry after ${retryAfter} seconds`);
        case 'insufficient_quota':
          throw new Error('Insufficient funds. Please top up your account.');
        case 'invalid_request_error':
          throw new Error(`Invalid request: ${error.message}`);
        default:
          throw new Error(`API error: ${error.message}`);
      }
    }

    return await response.json();
  } catch (error) {
    console.error('Error:', error.message);
    throw error;
  }
}